Baseline cardiac risk factors by study population group and sex.

<p>*P<0.001;</p>$<p>P<0.01; ^§P≤0.05 for difference between groups (age-adjusted for all variables except age). SD: Standard deviation; BMI: body mass index; Angiogr.: angiographically. CCS class: Canadian Cardiovascular Society Functional classification of angina.</p><p>Comorbidity, i.e. cancer, migraine, depression, chronic obstructive pulmonary disease, gastroduodenal ulcer or gastroduodenitis, gastro-oesophageal reflux, bone, muscle and connective tissue diseases, and kidney diseases.</p><p>Cardiac comorbidity, i.e. aortic stenosis, atrial fibrillation/flutter, hypertrophic cardiomyopathy and perimyocarditis up to 6 months post-CAG/inclusion.</p><p>Discrepancies between counts and percentages are due to missing data.